( Reaffirmed 2005 ) IS : 6189 - 1985 Indian Standard SPECIFICATION FOR METAL STATIONERY CUPBOARDS ( Firs-l Revision Furniture Sectional Committee, 3 BDC 35 Chairman A. BIIARADWAJ 207, Golf Links, New Delhi SHRI Members SERI A. M. CHAKI Representing Calcutta Cabinet Makers and Furnishers' Association, Calcutta All India Plastics Manufacturers Association, SNR~ JAYANTILAL M. DALAL Bombay DEPUTY SECRETARY ( Alternate ) Engineer-in-Chief's Branch ( Ministry of Defence ), SHRI R. S. DUQ~AL New Delhi SHRI S. C. GARQ ( Alternate ) Godrej & Boyce Mfg Co Ltd, Bombay SR~I I. P. FIQUEREDO SHRI H. H. JA~SHEDJI ( Alternate ) Central Building Research Institute ( CSIR ), SI~RI T. N. GUPTA Roorkee SHRI V. K. AQQARWAL ( Alternate ) Directorate General of Supplies and Disposals, New SHRI D. B. JAIN Delhi Srrnr 0. P. SANQER ( Alternate ) Central Public Works Department, New Delhi SI~RI B. B, KAN~SE ARCHITECT ( NZ ) VIII ( Alternate ) Government of Uttar of Education, Director SHRI KRISHANAVATAR PANDEY Pradesh. Lucknow of Education, Delhi Administration, Director SHRI H. C. KULSHRESHTH~ New Delhi SRRI S. S. BHATIA ( Alternate ) Small Industries Service Institute, New Delhi SHRI K. S. LAMBA SHKI G. C. SARA ( Alternate ) Neoluxe India, Bombay SHRI MA~ENDRA DOS~I SHRI R. PARSURA~I ( Alternate ) ( Continued on page 2 ) @ Copyright 1985 INDIAN STANDARDS INSTITUTION This publication is protected under the Indian Cofiyright Act ( XIV of 1957 ) and reproduction in whole or in part by any means except with written permission of the publisher shall be deemed to be an infringement of copyright under the said Act. IS : 6189 - 1985 ( Continuedfrom pnge1 ) Representing Members SHRI I\?. M. MISTRY National Buildings Organization, New Delhi SARI B. D. D~~awas ( Alternate ) National Institute of Design, Ahmadabad SHRI J. A. PANCHAL SHRI H. K. VYAS ( Alternate ) Chandan Metal Products Pvt Ltd, Vadodara SHRI Asrrox.: C. PATXL Srrn~ ARUN C. P~WL ( Alternate ) Indian Institute of Architects, Bombay SHRI P. RA.JAG~PAL~N Forest Research Institute and Colleges, Dehra Dun SHRI S. N. SANYAL The Indian Plywood Mfg Co Ltd, New Delhi COL G. B. SINGH Dn A. PIJRWS~OTH~X ( Alternute ) Director General, IS1 ( Ex-ogicio Member ) SRRI G. RAMAN, Director ( Civ Engg ) Secretary SIIRI A. K. AVASTHY Deputy Director ( Civ Engg ), ISI Metal Furniture Convener SnRI J. A. PANClIAL Subcommittee, BDC 35 : 1 National Institute of Design, Ahmadabad Members SHRI H. K. VYAS ( Alternate to Shri J. A I'anchal ) Engineer-in-Chief's Branch, Army Headquarters, SRRI J. K. AGG~XWAL New Delhi SHRI M. N. KHULLAR ( Alternate ) Hindustan Aluminium Corporation Limited, Bombay SRRI V. K. AGRAWAL The Small Scale Steel Furniture Manufacturers' SHRI ATMA Rhad BEHHI Association ( Regd ), New Delhi SHRI S~~IVKUNAR KAPAHI ( Alternate ) Office of the Development Commissioner, Small SHRI D. S. CHAUHAN Scale Industries, New Delhi SHRI K. S. LANBA ( Alternate ) Godrej & Boyce Mfg Co Ltd, Bombay SIIRI I. P. FIGUE~EDO S~sr H. H. .JBMSHEDJI ( Alternate ) Directorate General of Supplies and Disposals, New SHRI D. B. JAIN Delhi Kamal Industry, Jammu SARI KAMAL S. JAIN JOINT DIRECTOR OF INDUSTRIES Director of Industries and Commerce, Madras AND COMMERCIZ ( RP ) DEPUTY D I R B: c T o n OF INPUSTIUI~SAND COPJNERCE ( LC ) ( Alternate ) Tamil Nadu Small Industries Development CorporaMANAGER ( MARI:ETINO ) tion Ltd, Madras ADDITIONAL MANAGBI: SnIRI ds~o~~;~~n!. ( Alternate ) Chandan Metal Products Pvt Ltd, Vadodara Snnr AnuN C.`P~TF.L ( Alternate ) SHRI K. L. SHAII Bhor Industries, Bombay SHRI A. I-1. BHARUCHA ( Alternate ) 2 IS : 6189 - 1985 SPECIFICATION FOR METAL STATIONERY CUPBOARDS 0. FOREWORD 0.1 This Indian Standard ( First Revision ) was adopted by the Indian Standards Institution on 25 January 1985, after the draft finalized by the Furniture Sectional Committee had been approved by the Civil Engineering Division Council. 0.2 With the advancement in the field of correspondence, stanciardization, methods of secretarial procedure, a new approach is coming into vogue which requires highly speciaiized filing system and classification in the As a result of this advancement, the need correspondence techniques. to provide proper filing and storage facilties for offices is being felt everyIt is with this end in view that this standard was first prepared day. in 1971 to specify requirements of stationery cupboards in order to accommodate various sizes of papers forming office stationery. In this revision, besides incorporating three amendents, the grades of materials to be used in the components have been given. The height of the pedestal is changed from minimum 100 mm to 125 mm 0.3 In the formulation of this standard, due weighta~ge has been given to International coordination among the standards and practices prevailing in different countries in addition to relating it to the practices in the field in the country. 0.4 The information to be supplied by placing orders is given in Appendix A. the purchaser at the time of 0.5 For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test or analysis, shall be rounded off in accorThe number of significant places retained in dance with IS : 2-1960". the rounded off value should be the same as that of the specified value in this standard. *Rules for rounding off numerical values ( ret&f ). 3 IS:6189 1. SCOPE - 1985 1.1 This standard cupboards. 2. MATERIALS 2.1 Electrodes to IS : 1278-1972" deals with the requirements for metal stationery Electrodes for gas, arc and spot welding and IS : 81z1: ( Part 1 )-1974$. shall conform to 4 H 0 2.2 Aluminium Sheets condition of 3 1000 or 52000 2.3 Mild Steel of IS : 513-1973s 2.4 Aluminium sheets shall conform quality of IS : 737- 1974$. conform Sheets - Mild steel sheets shall or grade 0 of IS : 1079-1973/j. Screws shall conform to grade Screws Wire to IS : 1365-19787. 2.5 Steel conforming 3. DESIGN - to grade Steel wire, where used, shall be steel wire for springs 1 of IS : 4454 ( Part 1 )-1975**. AND and DIMENSION design of the stationery cupboard shall be as given 3.1 The in,Fig. 1. type 4. FABRICATION 4.1 Components the components --Metal stationery given in 4.2 to 4.8.5. cupboards shall be assembled from 4.2 Casings - Casings shall be made from mild steel sheeting not less than I.0 mm thick or aluminium sheeting not less than 1.6 mm thick. doors are provided, these shall be made flush 4.3 Doors - When fitting. Double doors shall be made from mild steel sheeting of minimum thickness of I.0 mm or aluminium sheeting not less than 1.6 mm thick. The edge of each half of the door except the vertical free edge of the left-hand door shall be bent into a double return at least 15 mm deep, and at least 10 mm wide. The vertical free edge of the left-hand door shall be bent into an inverted Z to provide a ledge at least 10 mm wide against which the right-hand door can be closed. Each half of the door *Specification for filler rods and wires for gas welding ( second revision ). TSecification for welding products other than sheets (fourth revision ). $Specification for wrought aluminium and aluminium alloys, sheet and strip ( for general engineering purposes ) ( second revision ). §Specification for cold rolled carbon steel sheets ( second revision ). l/Specification for hot rolled carbon steel sheet and strip ( third revision ). ISpecification for slotted countersunk head screws ( third rouision ). **Specification for patented and cold drawn steel wires - unalloyed (first revision ). 4 IS :6189 25 25 -1985 /- i 400 7 950 750 cupboards to be put into 5mm CUPBOARD 1 ,25 Overall height, H 950 Overall width, W Overall depth, D 240 NOTE - Minimum clearance required for the stationery rece$ses or openings, where required, shall be asfollows: For top For each side For depth 20 mm 10 mm All dimensions in millimetres. FIG. I OVERALL DIMENSIONS OF STATIONERY 5 IS:6189 - 1985 reinforceto the full mild steel sheeting the door. shall be reinforced on the the inside with at least one top hat ment, at least 70 mm wide and 10 mm deep if standing height of the door. The reinforcement shall be made from sheeting of minimum thickness, say, 1.0 mm or aluminium of minimum of thickness 1'6 mm and they shall be welded to 4.4 Hinges - Each half of the double door shall be Gttec! with 3 butt `The hinges shall be secured to the door and to the casing by hinges. The hinges shall be made of metal sheeting not less means of welding. than 1.25 mm thick and shall be secured to metallic hinge brackets not less than 3.15 mm thick on one side and shall be secured to the door on the other side of the fulcrum. 4.5 Locks - Stationery cupboards shall be provided with locks which The lock shali not be less may form integral part of the door handle. than three lever lock with duplicate keys of non-corrosive material. For locking arrangement, there shall be a three-way bolting device controlled by a lock and operated by a chromium plated metallic handle. 4.6 Latch Rod - A vertical latch rod, which operates `in conjunction with the lock handle to secure the door at the top and the bottom of the stationery cupboard, shall be fitted. The rod shall be made from mild steel round of diameter at least 6 mm or from mild steel flat at least It shall be released fully when the lock handle is turned 12.5 x 3 mm. to the open position and it shall be locked positively when the lock handle is turned to the closed position. The operation of the latch rod shall be smooth ancl easy and the construction shall be :uch that the latch cannot be reieased without operating the lock handle. 4.7 Latch Plates - A latch plate made from mild steel sheetiilg of a minimum thickness of 3.0 mm shall be rigidly secured to the handle on the inside of the door. Jf the latch plate is secured by a nut and a bolt, washer shall be fitted under the nut and the bolt shall bc riveted over. 4.8 Shelves ad Vertical Partitions for Non-Adjustable Cnskpbsard~ 4.8.1 Sizelves and Vertical Partitions - Cupboard shelves and vertical partitions shall be made from mild steel sheeting of minimum thickness of 1.0 mm or aluminium sheeting of 1.6 mm thicknes:. The vertical partitions shall be flanged at the back, top and bottom and shall be The attached to the casing by means of welding, riveting or bolting. shelves shall be flanged and welded or riveted to the sides of the casing Ths front edges of the partitions sha!l be bent in and to the partitions. a knife edge and sedges of the shelves shall be bent into a double return. 4.8.2 Shelves and Vertical Partitions for Adjustable Cupboards - Shelves shall be adjustable and shall be made from mild steel sheeting of minimum thickness of 1.0 mm or from aluminium sheeting of 1.6 mm thickness. The edges of the shelves shall be bent into a double return. 6 IS : 6l89 - 1985 48.3 Adjusting Strips The top hat strips shall be made from mild steel sheetin!: of minirnum thickness of 1.0 mm or aluminium sheeting of I.6 mm thickness. The edges of the strips shall be welded to the inner surface of the casing. The strips shall extend to full height of the casing except for 100 mm height at the top and at the bottom, and shall be positioned to provide adequate support for the shelves. The adjusting strips sllail be held at 25 mm centres over their full length to provide for shelf adjustment. 4.8.4 ShlfBrackcts The bracket shall ness of 1.25 mm bracket shall be so supported and the Each shelf shall be supported by four brackets. be made from mild steel sheeting of minimum thickor aluminium sheeting of 1.6 mm thickness. The designed and constructed that the shelf is securely adjustments in hight of bracket can be made easily. 4.8.5 Pedestal - Pedestal shall be .made from mild steel sheet not less than 1.0 mm thick or aluminium sheet not less than 1.6 mm thick and shall be properly stiffened. The pedestal shall be recessed inside on all sides by at least 5 mm and its height shall be 125 & 5 mm. 5. ASSEMBLY 5.1 Various components shall be assembled by means of bolting or welding in case of non-adjustable cupboards, and by bolting in case of adjustable type of stationery cupboards. 5.2 The method conform to IS respectively. 5.3 Welding 1964s. 6. FINISH 6.1 Sheet Metal Connponents of : of gas welding, arc welding 1323-1966*, IS : 816-1969t and spot welding shall and IS : 819-1957$ with IS : 2812- aluminium parts shall be in accordance 6.1.1 All dents, burrs and sharp edges shall be removed from the various ~components. The components sha!l be individually pickled, scrubbed land rinsed to remove grease, rust, scale or any other foreign element. ___~__ *Code of practice for oxy-acetylene welding for structural work in mild steel ( jirst revision ) . j-Code of practice for use of metal arc welding for general construction in mild steel ( jrst revision ). tCode of practice for resistance spot welding for light assemblies in mild steel. SRecommendations for manual tungsten inert-gas arc-welding of aluminium and aluminium alloys. 7 IS:6189-1985 6.1.2 Immediately after pickling, all the mild steel parts shall he given phosphating treatment conforming to Class C of IS : 3618-1966". The process for application of phosphate coating shall be in accordance with IS : 6005-19707. NOTE - Putty shall be applied to all the surfaces requiring filling and shall conform to IS : 1 IO-19681. Aluminium primer shall conform to IS : 5660-197Otj. 6.1.3 Coat/coats of enamel paint shall then be applied conforming as follows: IS : 2932- Finish coat with enamels l9747 or IS : 2933-1975**. to IS : 151-195Oj], 6.1.3.1 In the case of stoving enamel the components shall thereafter be baked at a specified temperature in an oven heated uniformly. The finish shall be smooth and uniform with a hard and tough film ofenamel, strongly adhering to the surface. The finish shall be free from all visible defects and shall not chip when tapped lightly with a dull pointed instrument. 6.1.4 Aluminium parts may be anodized, if required by the purchaser. 7. PERFORMANCE REQUIREMENTS OF FINISH 7.1 Scratch Hardness Test - A sample of mild steel plate 150 x 50 mm in size and thickness 0.315 mm finished as described in 6 shall be subjected to scratch hardness test in accordance with 15.1 of IS : lOl-196477 A scratch showing the bare metal shall not be produced on the test sample. prepared from mild steel plates of 7.2 Pressure Test - Samples thickness 0.315 mm and finished as described in 6 shall be subjected to pressure test in accordance with 15.2 of IS : IOI-1964tt. The metal surface shall not be rendered visible when the test pieces are separated after the test. 7.3 Flexibility and Adhesion Test - A sample of mild steel plate 150 x 50 mm in size and thickness 0.315 mm finished as described in 6 shall be subjected to flexibility and adhesion test in accordance with 16 The paint film on the test piece shall not show of IS : lOl-1964tt. *Specification for phosphate treatment of iron and steel for protection against corrosion. tCode of practice for phosphating of iron and steel. $Specification for ready mixed paint, brushing, grey filler, for enamels, for use over primers. F$pecification for ready mixed paint, brushing, aluminium red oxide primer. IiSpecification for ready mixed paint, spraying, finishing, staving, enamel, for general purposes, colour as required. YSpecification for enamel, synthetic, exterior (a) undercoating, (b) finishing (f;rst revision) . **Specification for enamel exterior (a) undercoating, (b) finishing ( jir~treaiJion). +fM&hods of test for ready mixed paints and enamels ( second revision ). 8 IS : 6189 - 1985 damage, detachment magnification. or cracking when exa.mined under X10 7.4 Stripping Test - A sample of mild steel plate 150 x 50 mm in size and thickness 0.315 mm finished as described in 6 shall be subjected to stripping test in accordance with 17 of IS : 101-1964*. The scratch produced after the test shall be free from jagged edges. 7.5 Test for Protection Against Corrosion Under Conditions of Condensation - A mild steel panel of size 150 x 100 mm and thickness 1.25 mm finished as descrided in 6 shall be subjected to test for protection against corrosion under conditions of condensation in accordance with 18 of IS : IOl-1964*. The metal surface shall show no signs of corrosson after the test. 8. PACKING 8.1 All damage the component parts shall be packed is caused to them during transit. in such a way that no 9. MARKING 9.1 All metal stationery cupboards identifying the manufacturer. 9.1.1 The metal stationery ISI Certification Mark. shall be marked may with suitable mark with the cupboard also be marked NOTE - The use of the IS1 Certification Mark is governed~by the provisions of the Indian Standards Institution ( Certification Marks ) Act and the Rules and Regulations made thereunder. The IS1 ~Mark on products covered by an Indian Standard conveys the assurance that they have been produced to comply with the requirements of that standard under a well-defined system of inspection, testing and quality IS1 control which is devised and supervised by IS1 and operated by the producer. marked products are also continuously checked by IS1 for conformity to that standard as a further safeguard. ~Details of conditions under which a licence for the use of the IS1 Certification Mark may begranted to manufacturers or processors, may be obtained from the Indian Standards Institution. *Methods of test for ready mixed paints and enamels ( second revision). 9 IS:6189-1985 APPENDIX ( Clause 0.4 3 INFORMATION A-l. The purchaser the order: a) b) c) d) e) f) The material Whether Whether Number Colour A BY THE PURCHASER information along with TO BE SUPPLIED shall supply whether the following steel or aluminium; or not; part of the handle; the lock is required of adjustable and finish; and the lock is to form an integral shelves required; Where alternative methods of construction and finish are specified, these shall be clearly stated in the order. 10